2025 Phb Backgrounds Color. Custom background remains the default, and they're pretty clear about that in playtest, but will they make it clear in the phb and to dms? Mechanically, your background contains five aspects:
A first look at the 2025 player’s handbook: 16 backgrounds in the phb and the dmg will have guides on creating more backgrounds if none of them really grab your fancy each background comes with a feat as well